.demo{
    width: 500px;
    height: 300px;
    border-top:10px solid red ;
    border-bottom: 5px dashed purple;
    border-left: 15px dotted green;
    border-right: 7px double orange;
    margin: 100px 50px 70px 150px;
    padding: 20px 50px 90px 10px;
    pa
}
img {
    width: 500px;
    height: 300px;
}